import React, {Component} from 'react';
import {Link} from 'react-router-dom';
export default class PageB extends React.Component {
  constructor() {
    super();
  }
  render() {
    return (<div>
      <p>当前页面：Page B</p>
      <Link to="/">Page A</Link><br />
      <Link to="/pagec">Page C</Link>
    </div>)
  }
}